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  5. Nightshade NSv6 15

Nightshade NSv6 15

3000 Watt

Nightshade NSv6 15

Technical Highlights

  • Power 85.5892 dB, Impedance 1.8398 Ohm, Frequency 30.5930 Hz.
  • BL-value 21.1132 NA, Qts 0.4050, Vas is 37.0627 liters.
  • Installation recommendation: 113L bass reflex, tuning 32Hz, depth 36cm.
  • More technical details
€2,399.00
€2,399.00 €2,399.00
2% discount with credit card

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ProductNightshade NSv6 15 · D1 (2x1 Ohm)

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Impedance: D1 (2x1 Ohm)
Estimated delivery: Sep 22–Sep 25.
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The Nightshade NSv6 15 from Sundown Audio is an outstanding 15-inch subwoofer. This model stands out for its precision in sound reproduction and its high performance, which is underscored by exceptional technical specifications. Whether you are an audio professional or a hobby enthusiast, the Nightshade NSv6 15 delivers an unparalleled listening experience. This subwoofer promises to take the music in your life to a new level.

Technical Specifications

  • T/S SPECS NS V.6 15″ D1 / NS V.6 15″ D2
  • RE (Ohms) 1.8398 / 3.5978
  • FS (Hz) 30.5930 / 30.8881
  • VAS (L) 37.0627 / 36.0601
  • Qes 0.4382 / 0.4133
  • Qms 5.3509 / 5.4272
  • Qts 0.4050 / 0.3841
  • Le (mH) 1.6641 / 3.4904
  • BL (NA) 21.1132 / 30.6711
  • Mms (Grams) 552.2849 / 556.8450
  • Cms (uM/N) 49.0041 / 47.6786
  • Sens (dB @ 1w/1m) 85.5892 / 85.8487

Enclosure Recommendation:

  • Sealed enclosure: Not recommended
  • Ported enclosure 113 liters net
  • Recommended tuning 32Hz
  • Recommended port area 387cm²
  • Displacement 7.3 liters
  • Depth 36 cm
  • Outer diameter 39 cm
  • Cutout 35 cm

Frequently Asked Questions about Nightshade NSv6 15

What are the Thiele Small parameters of the Nightshade NSv6 15 Subwoofer?

The Thiele Small parameters (T/S) of the Sundown Audio Nightshade NSv6 15 are crucial for evaluating performance and integrating the subwoofer into audio systems. For the D1 model, the RE value is 1.8398 Ohm, FS is 30.5930 Hz, VAS is 37.0627 liters, Qes is 0.4382, Qms is 5.3509, and Qts is 0.4050. The inductance value (Le) measures 1.6641 mH, the drive force (BL) is 21.1132 NA, the effective moving mass (Mms) is 552.2849 grams, and the compliance (Cms) is 49.0041 uM/N. Finally, the sensitivity is 85.5892 dB @ 1w/1m.

What is the sensitivity of the Nightshade NSv6 15?

The Sundown Audio Nightshade NSv6 15 features a sensitivity of 85.5892 dB at 1 watt and 1 meter. This sensitivity is important as it indicates how efficiently the subwoofer converts electrical power into sound. A higher sensitivity means that the subwoofer requires less power to achieve the same sound output, which can be particularly useful for vehicles with limited amplifier power budgets. Additionally, sensitivity significantly affects the sound characteristics and the ultimate sound level production of the subwoofer in your vehicle or sound setup.

What are the recommended enclosure specifications for the Nightshade NSv6 15?

For optimal performance of the Sundown Audio Nightshade NSv6 15, a bass reflex enclosure with a net volume of 113 liters is recommended. Tuning to 32 Hz provides the best balance between depth and clarity. The recommended port area is 387 cm², ensuring efficient venting and minimal airflow loss. A displacement of 7.3 liters should be considered. In terms of dimensions, the depth of the subwoofer is 36 cm, the outer diameter is 39 cm, and the cutout is 35 cm. These specifications help you plan or adjust the enclosure correctly.

What are the differences between the impedance options D1 and D2 for the Nightshade NSv6 15?

The Sundown Audio Nightshade NSv6 15 offers two impedance options: D1 and D2, which have different electrical resistance values. The D1 Subwoofer has a re-impedance of 1.8398 Ohms, while the D2 is measured at 3.5978 Ohms. These impedance differences affect how the Subwoofer is paired with Amplifiers, as they impact the overall load that an Amplifier can handle. The D1 is optimal for configurations with parallel-connected Subwoofers to achieve a lower overall impedance. Each impedance type requires different wiring strategies to achieve optimal performance.

How does the resonance frequency of the NSv6 15 affect sound reproduction?

The resonance frequency (FS) of the Sundown Audio Nightshade NSv6 15 is 30.5930 Hz (D1) and 30.8881 Hz (D2). This frequency is the natural frequency at which the Subwoofer resonates maximally without excitation. A low resonance frequency, like that of this Subwoofer, indicates an ability to efficiently reproduce low frequencies and deliver powerful bass notes. The FS value influences what type of music sounds best and how deep the bass reproduction extends. Particularly for deep, powerful bass reproduction in large box configurations, a low resonance frequency is advantageous.

What role does the moving mass (Mms) play in the Nightshade NSv6 15?

The Mms, or the moving mass of the Sundown Audio Nightshade NSv6 15, is 552.2849 grams for the D1 option. This size represents the total moving mass of the diaphragm and other moving parts. A higher moving mass can lead to deeper bass, as it increases the inertia produced by the Subwoofer. At the same time, a higher Mms can cause the Subwoofer to respond more slowly, which is less ideal for fast music sequences. The right balance of Mms is crucial to achieving a desired sound characteristic and is an essential factor in sound tuning.

How does the BL value affect the performance of the Subwoofer?

The BL value, measured at 21.1132 NA (D1) for the Sundown Audio Nightshade NSv6 15, describes the electromagnetic force generated by the interaction between the current flowing through the voice coil and the magnetic field. A higher BL value means greater driving strength, leading to more precise control over diaphragm movements. This control is crucial for reproducing clean and clear bass frequencies. Especially if you enjoy listening to loud music while still wanting to enjoy clear bass, a high BL value is essential for your optimal listening experiences.

How can the size and shape of the enclosure affect the performance of the Nightshade NSv6 15?

The size and shape of the enclosure are crucial for the performance of the Sundown Audio Nightshade NSv6 15. A properly sized bass reflex enclosure with a volume of 113 liters and tuned to 32 Hz maximizes the low frequencies and ensures powerful bass reproduction. If the enclosure is not properly adjusted, it can lead to resonances that distort the sound. Similarly, the port area of 387 cm² is important for airflow weighting and minimizing noise. Therefore, it is essential to adhere closely to the recommended enclosure specifications to achieve the best performance.

What tips are there for installing the Nightshade NSv6 15 in a car?

When installing the Sundown Audio Nightshade NSv6 15 in a vehicle, the dimensions are critical. The subwoofer has an overall depth of 36 cm and an outer diameter of 39 cm. The required cutout size is 35 cm. When planning the installation, it is important to ensure that there is enough space for these dimensions to avoid vibrations and improper placement. It is important to securely fasten the enclosure and place it on a stable surface to prevent additional rattling noises inside the vehicle and to achieve optimal performance.

What acoustic advantages does the bass reflex design of the Nightshade NSv6 offer?

The bass reflex design of the Sundown Audio Nightshade NSv6 15 is designed to reproduce low frequencies more efficiently. By utilizing a resonance channel in the enclosure tuned to 32 Hz, airflow is optimized to produce extended bass reproduction with higher sound pressure. The recommended port area of 387 cm² helps reduce air resistance and minimize distortion. This construction enhances efficiency and achieves stronger, deeper tones compared to a simple sealed design. Especially for music genres with a strong bass component, you are well served with a bass reflex design.

Manufacturer information/responsible person

JR Labs
Rainer Jakob
Heinrich-Hertz-Straße 13 A
46325 Borken
Germany

Contact: jakobrainer@jr-labs.eu

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